Home / 155,341,108,192.71-212,813,779,154.83-149,533,153,646.98

Finding the Fourth Proportional to 155,341,108,192.71, 212,813,779,154.83 and 149,533,153,646.98

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Solution

The fourth proportional to 155,341,108,192.71, 212,813,779,154.83 and 149,533,153,646.98 is: 204,857,013,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,341,108,192.71 : 212,813,779,154.83 = 149,533,153,646.98 : x
  2. Step 2: Convert to fraction form
    155,341,108,192.71/212,813,779,154.83 = 149,533,153,646.98/x
  3. Step 3: Cross multiply
    155,341,108,192.71x = 212,813,779,154.83 × 149,533,153,646.98
  4. Step 4: Simplify right side
    155,341,108,192.71x = 31,822,715,536,553,665,363,968
  5. Step 5: Solve for x
    x = 31,822,715,536,553,665,363,968/155,341,108,192.71
  6. Step 6: Final answer
    x = 204,857,013,747.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.